349621030 has 48 divisors (see below), whose sum is σ = 694853712. Its totient is φ = 126561600.

The previous prime is 349620991. The next prime is 349621039. The reversal of 349621030 is 30126943.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 349621030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349621039) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 341920 + ... + 342940.

It is an arithmetic number, because the mean of its divisors is an integer number (14476119).

Almost surely, 2^349621030 is an apocalyptic number.

349621030 is a deficient number, since it is larger than the sum of its proper divisors (345232682).

349621030 is a wasteful number, since it uses less digits than its factorization.

349621030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333 (or 1322 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 349621030 is about 18698.1557914143. The cubic root of 349621030 is about 704.4754275584.

Adding to 349621030 its reverse (30126943), we get a palindrome (379747973).

The spelling of 349621030 in words is "three hundred forty-nine million, six hundred twenty-one thousand, thirty".